// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;

namespace Microsoft.Diagnostics.DataContractReader.Contracts;

public enum DelegateType
{
    Unknown,
    Closed,
    Open,
}

public readonly record struct DelegateInfo(
    TargetPointer TargetObject,
    TargetCodePointer TargetMethodPtr,
    DelegateType DelegateType);

public readonly record struct ContinuationInfo(
    TargetPointer Next,
    TargetPointer DiagnosticIP,
    uint State);

public interface IObject : IContract
{
    static string IContract.Name { get; } = nameof(Object);
    TargetPointer GetMethodTableAddress(TargetPointer address) => throw new NotImplementedException();
    string GetStringValue(TargetPointer address) => throw new NotImplementedException();
    TargetPointer GetArrayData(TargetPointer address, out uint count, out TargetPointer boundsStart, out TargetPointer lowerBounds) => throw new NotImplementedException();
    bool GetBuiltInComData(TargetPointer address, out TargetPointer rcw, out TargetPointer ccw, out TargetPointer ccf) => throw new NotImplementedException();
    int TryGetHashCode(TargetPointer address) => throw new NotImplementedException();
    // Returns the SyncBlock address for the object, or TargetPointer.Null if no sync block is associated with it.
    TargetPointer GetSyncBlockAddress(TargetPointer address) => throw new NotImplementedException();
    DelegateInfo GetDelegateInfo(TargetPointer address) => throw new NotImplementedException();
    ContinuationInfo GetContinuationInfo(TargetPointer address) => throw new NotImplementedException();
    ulong GetSize(TargetPointer address) => throw new NotImplementedException();
    void GetStringData(TargetPointer address, out uint length, out uint offsetToFirstChar) => throw new NotImplementedException();
}

public readonly struct Object : IObject
{
    // Everything throws NotImplementedException
}